RFR: 8225631: Consider replacing muxAcquire/Release with PlatformMonitor [v3]

[Kim Barrett]

On Mon, 16 Nov 2020 17:01:29 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> David Holmes has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:
>> 
>>  - Merge branch 'master' into 8225631
>>  - Feedback from Coleen, Kim and Dan.
>>  - 8225631: Consider replacing muxAcquire/Release with PlatformMonitor
>
> Looks good! Thank you for the cleanups.

> > This is assuming NINFLATIONLOCKS is a power of 2.  Consider adding a static_assert.  (Note: is_power_of_2 was made constexpr by JDK-8247910.)
> 
> Added to the initialize() function.

The initialize() function is the wrong place.  There's nothing in initialize that cares.  The place for the assert is with the code that cares that it's a power of 2.

-------------

PR: https://git.openjdk.java.net/jdk/pull/1196